[Full GC [PSYoungGen:3744K->1728K(7552K)] [PSOldGen: 75009K->76922K(87488K)]78753K->78651K(95040K) [PSPermGen: 2088K->2088K(16384K)], 0.0107597 secs][Times: user=0.00 sys=0.00, real=0.01 secs]

[GC [PSYoungGen:3714K->3744K(7552K)] 80637K->80667K(95040K), 0.0015904 secs] [Times:user=0.00 sys=0.00, real=0.00 secs]

[GC [PSYoungGen:7459K->3728K(7552K)] 84382K->84372K(95040K), 0.0028244 secs] [Times:user=0.03 sys=0.00, real=0.00 secs]

[GC [PSYoungGen:7443K->3728K(7552K)] 88087K->88093K(95040K), 0.0023412 secs] [Times:user=0.00 sys=0.00, real=0.00 secs]

[Full GC [PSYoungGen:3728K->640K(7552K)] [PSOldGen: 84364K->87438K(91072K)]88093K->88078K(98624K) [PSPermGen: 2088K->2088K(16384K)], 0.0048474 secs][Times: user=0.00 sys=0.00, real=0.00 secs]

[Full GC [PSYoungGen:3714K->128K(7552K)] [PSOldGen: 87438K->91023K(91072K)]91153K->91151K(98624K) [PSPermGen: 2088K->2088K(16384K)], 0.0047349 secs][Times: user=0.00 sys=0.00, real=0.00 secs]

[Full GC [PSYoungGen:3714K->3714K(7552K)] [PSOldGen: 91023K->91023K(91072K)]94738K->94738K(98624K) [PSPermGen: 2088K->2088K(16384K)], 0.0031963 secs][Times: user=0.00 sys=0.00, real=0.00 secs]

[Full GC [PSYoungGen: 3714K->3649K(7552K)][PSOldGen: 91023K->91070K(91072K)] 94738K->94720K(98624K) [PSPermGen:2088K->2087K(16384K)], 0.0209529 secs] [Times: user=0.03 sys=0.00, real=0.02secs]

[Full GC [PSYoungGen:3713K->3713K(7552K)] [PSOldGen: 91070K->91070K(91072K)] 94784K->94784K(98624K)[PSPermGen: 2087K->2087K(16384K)], 0.0035128 secs] [Times: user=0.02sys=0.00, real=0.00 secs]

[Full GC [PSYoungGen:3713K->3713K(7552K)] [PSOldGen: 91070K->91070K(91072K)]94784K->94784K(98624K) [PSPermGen: 2087K->2087K(16384K)], 0.0027033 secs][Times: user=0.00 sys=0.00, real=0.00 secs]

Exception in thread "main"java.lang.OutOfMemoryError: Java heap space

? ? atcom.gc.EasyParNew.(EasyParNew.java:12)

? ? atcom.gc.EasyParNew.outOfMemoryByExpansionSize(EasyParNew.java:39)

? ? atcom.gc.EasyParNew.main(EasyParNew.java:14)

Heap

?PSYoungGen? ? total 7552K, used 3776K [0x0e4b0000, 0x0efc0000, 0x0efc0000)

?eden space 3776K, 100% used [0x0e4b0000,0x0e860000,0x0e860000)

?from space 3776K, 0% used [0x0ec10000,0x0ec10000,0x0efc0000)

?to? space 3776K, 0% used[0x0e860000,0x0e860000,0x0ec10000)

?PSOldGen? ? ? total 91072K, used 91070K [0x08bc0000, 0x0e4b0000, 0x0e4b0000)

? object space 91072K, 99% used[0x08bc0000,0x0e4af980,0x0e4b0000)

?

6、和serial、parNew两种新生代收集器的简单区别

[GC [DefNew: 1986K->128K(2112K),0.0011191 secs] 27809K->27808K(30528K), 0.0011425 secs] [Times: user=0.00sys=0.01, real=0.00 secs]

和

[GC [ParNew: 1990K->132K(2112K),0.0007742 secs] 24112K->24110K(30528K), 0.0007964 secs] [Times: user=0.00sys=0.00, real=0.00 secs]

和

[GC [PSYoungGen:7449K->3728K(7552K)] 66980K->66980K(75136K), 0.0022792 secs] [Times:user=0.00 sys=0.00, real=0.00 secs]

GC[ParNew 表示使用的是parNew收集器。

GC[DefNew 表示用的是serial收集器。

[GC[PSYoungGen 表示用的是Parallel Scavenge收集器。